#include <iostream>
#include <string>

using namespace std;

struct Student {
    int id;
    string name;
    int age;
};

int main() {
    struct Student students[3] = {
        {1, "Tom", 18},
        {2, "Jerry", 19},
        {3, "Alice", 20}
    };

    for (int i = 0; i < 3; i++) {
        cout << "ID: " << students[i].id << ", Name: " << students[i].name << ", Age: " << students[i].age << endl;
    }
    

    return 0;
}